var strOriginal = richTextBox1.Text; byte[] byt = System.Text.Encoding.ASCII.GetBytes(strOriginal); // convert the byte array to a Base64 string ... ... <看更多>

Convert string to base64. string txt = "Test"; byte[] encodedBytes = System.Text.Encoding.Unicode.GetBytes(txt); string encodedTxt = Convert ... ... <看更多>

Base64 string convertion URL friendly C#. GitHub Gist: instantly share code, notes, and snippets. ... <看更多>

You can calculate the file size (in bytes) using below formula: x = (n * (3/4)) - y. Where: 1. x is the size of a file in bytes. ... <看更多>